What is the cheapest airline that flies from San Diego to Barcelona?

Air Canada, WestJet, and Lufthansa are the most popular carriers operating from San Diego to Barcelona

What airlines fly to Barcelona?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Barcelona from San Diego according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of September 2025.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$288 Cheap Flights from San Diego to Barcelona in 2025/26

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Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

12:45 pm - 9:35 amSAN-BCN

35h 50m2 stops

1:35 pm - 11:28 amBCN-SAN

30h 53m2 stops

$575Air Canada

Find Deal

Thu, Feb 5 - Thu, Feb 12

8:40 pm - 1:10 pmSAN-BCN

31h 30m2 stops

3:05 pm - 10:20 pmBCN-SAN

16h 15m1 stop

$576United Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 21

10:56 am - 8:50 amSAN-BCN

12h 54m1 stop

12:30 pm - 9:43 pmBCN-SAN

18h 13m1 stop

$577Iberia

Find Deal

Thu, Feb 5 - Thu, Feb 12

5:15 pm - 1:10 pmSAN-BCN

34h 55m1 stop

1:35 pm - 11:44 pmBCN-SAN

19h 09m2 stops

$578United Airlines

Find Deal

Fri, Nov 7 - Fri, Nov 21

1:10 pm - 8:00 amSAN-BCN

33h 50m1 stop

6:00 am - 8:41 pmBCN-SAN

23h 41m2 stops

$581Delta

Find Deal

Sat, Nov 22 - Tue, Dec 2

6:30 am - 9:00 amSAN-BCN

17h 30m1 stop

12:30 pm - 9:41 pmBCN-SAN

18h 11m1 stop

$582Iberia

Find Deal

Wed, Nov 19 - Tue, Dec 2

6:30 am - 9:00 amSAN-BCN

17h 30m1 stop

12:30 pm - 9:44 pmBCN-SAN

18h 14m1 stop

$583British Airways

Find Deal

Fri, Nov 28 - Tue, Dec 9

10:10 pm - 8:00 amSAN-BCN

24h 50m1 stop

10:15 am - 10:00 pmBCN-SAN

20h 45m2 stops

$587Delta

Find Deal

Thu, Feb 5 - Thu, Feb 12

5:35 pm - 5:35 pmSAN-BCN

15h 00m1 stop

9:10 am - 3:45 pmBCN-SAN

15h 35m1 stop

$595Lufthansa

Find Deal

Tue, Nov 18 - Fri, Nov 28

5:15 pm - 5:55 pmSAN-BCN

15h 40m1 stop

5:50 am - 12:13 amBCN-SAN

26h 23m2 stops

$616Lufthansa

Find Deal

Sat, Oct 18 - Tue, Oct 28

British Airways flights from San Diego to Barcelona

Our best British Airways deals on San Diego to Barcelona flight tickets

British Airways

Nov 28

SAN6:30 amSan Diego

17h 30m

1 stop

BCN9:00 amBarcelona-El Prat

Dec 9

BCN12:30 pmBarcelona-El Prat

18h 14m

1 stop

SAN9:44 pmSan Diego

$583

Find similar

British Airways

Sep 19

SAN5:15 pmSan Diego

37h 30m

2 stops

BCN3:45 pmBarcelona-El Prat

Oct 2

BCN4:40 pmBarcelona-El Prat

35h 47m

2 stops

SAN7:27 pmSan Diego

$722

Find similar

British Airways

Sep 26

SAN3:01 pmSan Diego

34h 09m

1 stop

BCN10:10 amBarcelona-El Prat

Oct 11

BCN8:00 pmBarcelona-El Prat

33h 13m

2 stops

SAN8:13 pmSan Diego

$732

Find similar

Air Canada flights from San Diego to Barcelona

Our best Air Canada deals on San Diego to Barcelona flight tickets

Air Canada

Feb 5

SAN12:45 pmSan Diego

35h 50m

2 stops

BCN9:35 amBarcelona-El Prat

Feb 12

BCN1:35 pmBarcelona-El Prat

30h 53m

2 stops

SAN11:28 amSan Diego

$575

Find similar

Air Canada

Nov 28

SAN6:10 pmSan Diego

30h 25m

2 stops

BCN9:35 amBarcelona-El Prat

Dec 9

BCN9:55 amBarcelona-El Prat

34h 33m

2 stops

SAN11:28 amSan Diego

$584

Find similar

Air Canada

Oct 16

SAN4:40 pmSan Diego

54h 10m

2 stops

BCN7:50 amBarcelona-El Prat

Oct 30

BCN12:35 pmBarcelona-El Prat

55h 28m

2 stops

SAN12:03 pmSan Diego

$593

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 2/5

12:45 pm-9:35 am

2 stops35h 50m

Barcelona-El Prat

Thu 2/12

1:35 pm-11:28 am

2 stops30h 53m

$575

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 11/7

8:40 pm-1:10 pm

2 stops31h 30m

Barcelona-El Prat

Fri 11/21

3:05 pm-10:20 pm

1 stop16h 15m

$576

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 2/5

10:56 am-8:50 am

1 stop12h 54m

Barcelona-El Prat

Thu 2/12

12:30 pm-9:43 pm

1 stop18h 13m

$577

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 11/7

5:15 pm-1:10 pm

1 stop34h 55m

Barcelona-El Prat

Fri 11/21

1:35 pm-11:44 pm

2 stops19h 09m

$578

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 11/22

1:10 pm-8:00 am

1 stop33h 50m

Barcelona-El Prat

Tue 12/2

6:00 am-8:41 pm

2 stops23h 41m

$581

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 11/19

6:30 am-9:00 am

1 stop17h 30m

Barcelona-El Prat

Tue 12/2

12:30 pm-9:41 pm

1 stop18h 11m

$582

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 11/28

6:30 am-9:00 am

1 stop17h 30m

Barcelona-El Prat

Tue 12/9

12:30 pm-9:44 pm

1 stop18h 14m

$583

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 2/5

10:10 pm-8:00 am

1 stop24h 50m

Barcelona-El Prat

Thu 2/12

10:15 am-10:00 pm

2 stops20h 45m

$587

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 11/18

5:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

Fri 11/28

9:10 am-3:45 pm

1 stop15h 35m

$595

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 10/18

5:15 pm-5:55 pm

1 stop15h 40m

Barcelona-El Prat

Tue 10/28

5:50 am-12:13 am

2 stops26h 23m

$616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $672. If you don’t want to visit Barcelona in November, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $682.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from San Diego to Barcelona is on a Wednesday when prices can be found for as low as $782. On the other hand, Thursday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,006.

What is the cheapest time of day to depart on your flight to Barcelona?

In the afternoon is the cheapest time of day to fly from San Diego to Barcelona when you can find flight prices for as low as $850. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $939 on average. Flights to Barcelona from San Diego in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $888 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $737 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Direct flights	None

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 12h 54m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of September 2025.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $513	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Delta	PriceFrom $540	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
American Airlines	PriceFrom $546	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $573	Free Cancellation	Rating 7.0 2,926 reviews	Search Iberia flights
United Airlines	PriceFrom $579	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,373 reviews	Search British Airways flights
Lufthansa	PriceFrom $601	Free Cancellation	Rating 6.8 7,415 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.